Finding the Fourth Proportional to 4,867,635.20, 7,290,273.47 and 2,431,310.36
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Solution
The fourth proportional to 4,867,635.20, 7,290,273.47 and 2,431,310.36 is: 3,641,381.63
Step by Step Solution
- Step 1: Write the proportion equation
4,867,635.20 : 7,290,273.47 = 2,431,310.36 : x - Step 2: Convert to fraction form
4,867,635.20/7,290,273.47 = 2,431,310.36/x - Step 3: Cross multiply
4,867,635.20x = 7,290,273.47 × 2,431,310.36 - Step 4: Simplify right side
4,867,635.20x = 17,724,917,366,236.23 - Step 5: Solve for x
x = 17,724,917,366,236.23/4,867,635.20 - Step 6: Final answer
x = 3,641,381.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.